21053073

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{463}}^1\times {\mathrm{659}}^1$

素因数の和:1148

約数の個数: 16

約数和(自身を含む): 29399040

約数和(自身を除く): 8345967

約数列:

[1, 3, 23, 69, 463, 659, 1389, 1977, 10649, 15157, 31947, 45471, 305117, 915351, 7017691, 21053073]

約数ペア:

[(1, 21053073), (3, 7017691), (23, 915351), (69, 305117), (463, 45471), (659, 31947), (1389, 15157), (1977, 10649)]